US8325624B2 - Link quality estimation method and apparatus in a telecommunication system - Google Patents

Link quality estimation method and apparatus in a telecommunication system Download PDF

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Publication number
US8325624B2
US8325624B2 US12/866,585 US86658508A US8325624B2 US 8325624 B2 US8325624 B2 US 8325624B2 US 86658508 A US86658508 A US 86658508A US 8325624 B2 US8325624 B2 US 8325624B2
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link
link state
receiving node
node
sending
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US20110002233A1 (en
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David Hammarwall
George Jongren
Magnus Lundevall
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Telefonaktiebolaget LM Ericsson AB
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Telefonaktiebolaget LM Ericsson AB
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W24/00—Supervisory, monitoring or testing arrangements
    • H04W24/02—Arrangements for optimising operational condition
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/0001—Systems modifying transmission characteristics according to link quality, e.g. power backoff
    • H04L1/0033—Systems modifying transmission characteristics according to link quality, e.g. power backoff arrangements specific to the transmitter
    • H04L1/0034—Systems modifying transmission characteristics according to link quality, e.g. power backoff arrangements specific to the transmitter where the transmitter decides based on inferences, e.g. use of implicit signalling
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/0001—Arrangements for dividing the transmission path
    • H04L5/0014—Three-dimensional division
    • H04L5/0023—Time-frequency-space
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/50—Allocation or scheduling criteria for wireless resources
    • H04W72/54—Allocation or scheduling criteria for wireless resources based on quality criteria
    • H04W72/541—Allocation or scheduling criteria for wireless resources based on quality criteria using the level of interference
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/0001—Systems modifying transmission characteristics according to link quality, e.g. power backoff
    • H04L1/0023—Systems modifying transmission characteristics according to link quality, e.g. power backoff characterised by the signalling
    • H04L1/0026—Transmission of channel quality indication
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/12—Arrangements for detecting or preventing errors in the information received by using return channel
    • H04L1/16—Arrangements for detecting or preventing errors in the information received by using return channel in which the return channel carries supervisory signals, e.g. repetition request signals
    • H04L1/1607—Details of the supervisory signal
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/20—Control channels or signalling for resource management
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/50—Allocation or scheduling criteria for wireless resources
    • H04W72/54—Allocation or scheduling criteria for wireless resources based on quality criteria
    • H04W72/542—Allocation or scheduling criteria for wireless resources based on quality criteria using measured or perceived quality
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
    • H04W88/08—Access point devices

Definitions

  • the sending node can calculate a PMO profile and how the PMO can be used by the receiving node to compute a CQI and recommended link parameters such as transmission rank.
  • a base station acting as the sending node could also determine the PMO profile based on HARQ ACK/NACK statistics from multiple user terminals in the area, possibly filtered over a period of time.
  • the PMO profile could be determined based on the current traffic load in the network, e.g. the average load in surrounding cells.
  • a base station is able to obtain such traffic load information by means of so-called backhaul signalling, e.g. according to the X2 protocol.
  • Receiving node 402 comprises a receiving unit 402 a configured to receive the data and RS signals, a signal measuring unit 402 b adapted to measure received signals, e.g. with respect to power or SINR, a quality estimating unit 402 c adapted to estimate link quality, e.g. CQI, and determine recommended link parameters, and a reporting unit 402 d adapted to send link state reports to the sending node 400 .
  • a receiving unit 402 a configured to receive the data and RS signals
  • a signal measuring unit 402 b adapted to measure received signals, e.g. with respect to power or SINR
  • a quality estimating unit 402 c adapted to estimate link quality, e.g. CQI, and determine recommended link parameters
  • a reporting unit 402 d adapted to send link state reports to the sending node 400 .

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Quality & Reliability (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Detection And Prevention Of Errors In Transmission (AREA)
  • Monitoring And Testing Of Transmission In General (AREA)
US12/866,585 2008-02-11 2008-06-26 Link quality estimation method and apparatus in a telecommunication system Active 2029-05-01 US8325624B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US12/866,585 US8325624B2 (en) 2008-02-11 2008-06-26 Link quality estimation method and apparatus in a telecommunication system

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US2753508P 2008-02-11 2008-02-11
PCT/EP2008/058217 WO2009100775A1 (en) 2008-02-11 2008-06-26 Link quality estimation method and apparatus in a telecommunication system
US12/866,585 US8325624B2 (en) 2008-02-11 2008-06-26 Link quality estimation method and apparatus in a telecommunication system

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2008/058217 A-371-Of-International WO2009100775A1 (en) 2008-02-11 2008-06-26 Link quality estimation method and apparatus in a telecommunication system

Related Child Applications (1)

Application Number Title Priority Date Filing Date
US13/660,158 Continuation US9300432B2 (en) 2008-02-11 2012-10-25 Link quality estimation and apparatus in a telecommunication system

Publications (2)

Publication Number Publication Date
US20110002233A1 US20110002233A1 (en) 2011-01-06
US8325624B2 true US8325624B2 (en) 2012-12-04

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Family Applications (4)

Application Number Title Priority Date Filing Date
US12/866,585 Active 2029-05-01 US8325624B2 (en) 2008-02-11 2008-06-26 Link quality estimation method and apparatus in a telecommunication system
US13/660,158 Active 2029-10-23 US9300432B2 (en) 2008-02-11 2012-10-25 Link quality estimation and apparatus in a telecommunication system
US15/077,076 Active 2028-06-30 US9838889B2 (en) 2008-02-11 2016-03-22 Link quality estimation and apparatus in a telecommunication system
US15/827,547 Active US10356637B2 (en) 2008-02-11 2017-11-30 Link quality estimation and apparatus in a telecommunication system

Family Applications After (3)

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US13/660,158 Active 2029-10-23 US9300432B2 (en) 2008-02-11 2012-10-25 Link quality estimation and apparatus in a telecommunication system
US15/077,076 Active 2028-06-30 US9838889B2 (en) 2008-02-11 2016-03-22 Link quality estimation and apparatus in a telecommunication system
US15/827,547 Active US10356637B2 (en) 2008-02-11 2017-11-30 Link quality estimation and apparatus in a telecommunication system

Country Status (11)

Country Link
US (4) US8325624B2 (de)
EP (2) EP2506480A3 (de)
JP (2) JP5451640B2 (de)
CN (1) CN101946439B (de)
BR (1) BRPI0822367B1 (de)
ES (1) ES2390244T3 (de)
IL (1) IL206326A (de)
NZ (1) NZ585176A (de)
PL (1) PL2243241T3 (de)
PT (1) PT2243241E (de)
WO (1) WO2009100775A1 (de)

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US20110044187A1 (en) * 2009-08-18 2011-02-24 Koninklijke Philips Electronics N.V. Method for operating a radio station in a mobile network
US20110194445A1 (en) * 2008-08-08 2011-08-11 Eddie Riddington Link Quality Reporting for a Communication System Capable of Using Different Modulation Schemes
US20110310755A1 (en) * 2008-12-19 2011-12-22 Nec Europe Ltd. Method for link quality estimation in a wireless network
US20130064122A1 (en) * 2008-02-11 2013-03-14 David Hammarwall Link quality estimation and apparatus in a telecommunication system
US8805393B2 (en) * 2012-07-27 2014-08-12 Sony Corporation Dynamic adaptation of communication parameters for communication between a base station and a terminal in a wireless communication network
WO2023132763A1 (en) * 2022-01-05 2023-07-13 Telefonaktiebolaget Lm Ericsson (Publ) First network node, second network node, user equipment and methods in a wireless communications network

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EP2367374B1 (de) * 2010-03-10 2012-05-16 NTT DOCOMO, Inc. Procédé et appareil pour la prévention d'une attaque de dégradation de services
WO2012002858A1 (en) 2010-07-01 2012-01-05 Telefonaktiebolaget L M Ericsson (Publ) A method and an arrangement for determining a channel quality offset
GB201011681D0 (en) 2010-07-12 2010-08-25 Nat Nuclear Lab Ltd Novel application of metal complex compounds
US9104793B2 (en) * 2010-09-24 2015-08-11 Intel Corporation Method and system of adapting communication links to link conditions on a platform
TW201242276A (en) * 2011-03-07 2012-10-16 Innovative Sonic Corp Method and apparatus to avoid in-device coexistence interference in a wireless communication system
US20140050151A1 (en) * 2011-04-20 2014-02-20 Nokia Solutions And Networks Oy Link Quality Reporting For A Communication System Capable Of Using Different Modulation Schemes
US9264353B2 (en) * 2011-09-22 2016-02-16 Qualcomm Incorporated Dynamic subflow control for a multipath transport connection in a wireless communication network
EP2781127A1 (de) * 2011-11-14 2014-09-24 Telefonaktiebolaget L M Ericsson (publ) Verfahren und anordnungen in einem drahtlosen kommunikationssystem
EP2976908B1 (de) * 2013-03-22 2019-06-05 Telefonaktiebolaget LM Ericsson (publ) Konfiguration von referenzsignalen
US9203590B2 (en) 2013-11-05 2015-12-01 Telefonaktiebolaget L M Ericsson (Publ) Generalized outer loop link adaptation
US9667362B2 (en) 2014-09-19 2017-05-30 Samsung Electronics Co., Ltd. Apparatus and method for selecting channel quality indicator in communication system
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US10440613B2 (en) * 2015-07-30 2019-10-08 Telefonaktiebolaget Lm Ericsson (Publ) Methods of electronic communication device and network node, electronic communication device, network node, and computer programs
US11258877B2 (en) 2018-07-26 2022-02-22 Netapp, Inc. Methods for managing workloads in a storage system and devices thereof
JP7029361B2 (ja) * 2018-08-09 2022-03-03 Kddi株式会社 移動通信システム、端末装置、基地局装置、通信方法及びコンピュータプログラム
KR102240375B1 (ko) * 2019-04-25 2021-04-13 전남대학교산학협력단 교정인자 결정 장치, 교정인자 결정 방법, 단말 및 이를 이용한 cqi 피드백 방법
TWI762828B (zh) * 2019-11-01 2022-05-01 緯穎科技服務股份有限公司 高速序列電腦匯流排的訊號調整方法及其相關電腦系統
KR102226865B1 (ko) * 2020-06-01 2021-03-10 전남대학교산학협력단 교정인자 결정 장치, 교정인자 결정 방법, 단말 및 이를 이용한 cqi 피드백 방법
WO2021255497A1 (en) * 2020-06-16 2021-12-23 Telefonaktiebolaget Lm Ericsson (Publ) Fast outerloop link adaptation
CN115988556B (zh) * 2022-12-27 2026-03-27 上海理工大学 无线传感器网络链路质量回归估计方法

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US20160205566A1 (en) * 2008-02-11 2016-07-14 Telefonaktiebolaget L M Ericsson (Publ) Link Quality Estimation and Apparatus in a Telecommunication System
US9838889B2 (en) * 2008-02-11 2017-12-05 Telefonaktiebolaget Lm Ericsson (Publ) Link quality estimation and apparatus in a telecommunication system
US20130064122A1 (en) * 2008-02-11 2013-03-14 David Hammarwall Link quality estimation and apparatus in a telecommunication system
US9300432B2 (en) * 2008-02-11 2016-03-29 Telefonaktiebolaget L M Ericsson (Publ) Link quality estimation and apparatus in a telecommunication system
US10356637B2 (en) * 2008-02-11 2019-07-16 Telefonaktiebolaget Lm Ericsson (Publ) Link quality estimation and apparatus in a telecommunication system
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US8805393B2 (en) * 2012-07-27 2014-08-12 Sony Corporation Dynamic adaptation of communication parameters for communication between a base station and a terminal in a wireless communication network
WO2023132763A1 (en) * 2022-01-05 2023-07-13 Telefonaktiebolaget Lm Ericsson (Publ) First network node, second network node, user equipment and methods in a wireless communications network

Also Published As

Publication number Publication date
EP2243241A1 (de) 2010-10-27
ES2390244T3 (es) 2012-11-07
EP2506480A3 (de) 2013-08-14
US10356637B2 (en) 2019-07-16
US20130064122A1 (en) 2013-03-14
CN101946439A (zh) 2011-01-12
CN101946439B (zh) 2013-12-11
PL2243241T3 (pl) 2012-11-30
BRPI0822367B1 (pt) 2020-09-15
JP5719906B2 (ja) 2015-05-20
JP2011514730A (ja) 2011-05-06
EP2243241B1 (de) 2012-07-11
NZ585176A (en) 2012-07-27
PT2243241E (pt) 2012-07-26
IL206326A0 (en) 2010-12-30
US9300432B2 (en) 2016-03-29
JP2014057350A (ja) 2014-03-27
IL206326A (en) 2013-11-28
US20160205566A1 (en) 2016-07-14
BRPI0822367A2 (pt) 2015-06-16
US9838889B2 (en) 2017-12-05
WO2009100775A1 (en) 2009-08-20
US20110002233A1 (en) 2011-01-06
JP5451640B2 (ja) 2014-03-26
US20180084445A1 (en) 2018-03-22
EP2506480A2 (de) 2012-10-03

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